Home / 178,792,395.80-268,125,608.10-63,780,690.20

Finding the Fourth Proportional to 178,792,395.80, 268,125,608.10 and 63,780,690.20

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Solution

The fourth proportional to 178,792,395.80, 268,125,608.10 and 63,780,690.20 is: 95,648,566.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,792,395.80 : 268,125,608.10 = 63,780,690.20 : x
  2. Step 2: Convert to fraction form
    178,792,395.80/268,125,608.10 = 63,780,690.20/x
  3. Step 3: Cross multiply
    178,792,395.80x = 268,125,608.10 × 63,780,690.20
  4. Step 4: Simplify right side
    178,792,395.80x = 17,101,236,344,912,712
  5. Step 5: Solve for x
    x = 17,101,236,344,912,712/178,792,395.80
  6. Step 6: Final answer
    x = 95,648,566.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.